Home / 8,729,817.44-12,042,975.71-6,782,753.21

Finding the Fourth Proportional to 8,729,817.44, 12,042,975.71 and 6,782,753.21

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Solution

The fourth proportional to 8,729,817.44, 12,042,975.71 and 6,782,753.21 is: 9,356,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,817.44 : 12,042,975.71 = 6,782,753.21 : x
  2. Step 2: Convert to fraction form
    8,729,817.44/12,042,975.71 = 6,782,753.21/x
  3. Step 3: Cross multiply
    8,729,817.44x = 12,042,975.71 × 6,782,753.21
  4. Step 4: Simplify right side
    8,729,817.44x = 81,684,532,111,696.53
  5. Step 5: Solve for x
    x = 81,684,532,111,696.53/8,729,817.44
  6. Step 6: Final answer
    x = 9,356,957.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.